Introduce AllocateInNewSpace stub.

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index eafc6d35a3826a1ab8b187b4045bf453143c760c..beff1ed04a14ce05f73bafe3c9f2e01cc81a7fd7 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -1140,6 +1140,19 @@ Handle<Code> AllocateHeapNumberStub::GenerateCode() {
 }
 
 
+template <>
+HValue* CodeStubGraphBuilder<AllocateInNewSpaceStub>::BuildCodeStub() {
+  HValue* result = Add<HAllocate>(GetParameter(0), HType::Tagged(), NOT_TENURED,
+                                  JS_OBJECT_TYPE);
+  return result;
+}
+
+
+Handle<Code> AllocateInNewSpaceStub::GenerateCode() {
+  return DoGenerateCode(this);
+}
+
+
 HValue* CodeStubGraphBuilderBase::BuildArrayConstructor(
     ElementsKind kind,
     AllocationSiteOverrideMode override_mode,